package com.boyunv.consumer.controller;


import com.boyunv.consumer.pojo.User;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

@RestController
@RequestMapping("/consumer")
public class ConsumerController {
    @Autowired
    private RestTemplate restTemplate;

    @Autowired
    private DiscoveryClient discoveryClient;

    @GetMapping("/{id}")
    public User queryById(@PathVariable Long id){
        String url="http://localhost:9091/user/8";

        //获取eureka中注册的user-service实例
        List<ServiceInstance> serviceInstances = discoveryClient.getInstances("user-service");
        ServiceInstance serviceInstance = serviceInstances.get(0);
        url="http://"+serviceInstance.getHost()+":"+serviceInstance.getPort()+"user/"+id;

        User user = restTemplate.getForObject(url, User.class);

        return  user;

    }

}
